What is the mistake in this problem?
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Mathematics, 21.06.2019 15:00
Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides
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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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Mathematics, 21.06.2019 23:00
Find the distance between c and d on the number line c=3 and d=11
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